3.
Switch the circuit breaker on the power supply faceplate to the
OFF
position
O
.
4.
For a DC power supply, check the setting of the input mode switch. Use a sharp,
nonconductive object to slide the switch to the desired position. Set the input mode
switch to position
0
for 60-A input or position
1
for 70-A input. This setting is used by
the power management software and must be set on the power supply. See
.
Figure 73: DC Power Supply Input Mode Switch
g004725
5.
Using both hands, slide the power supply straight into the chassis until the power
supply is fully seated in the chassis slot. The power supply faceplate should be flush
with any adjacent power supply faceplate (see
Figure 74: Installing a DC Power Supply
6.
Tighten the captive screws on the lower edge of the power supply faceplate.
7.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
8.
Remove the nuts and washers from the terminal studs.
9.
Secure each power cable lug to the terminal studs, first with the washer, then with
the nut. Apply between 23 lb-in. (2.6 Nm) and 25 lb-in. (2.8 Nm) of torque to each
nut. (see
).
a.
Attach the positive (+) DC source power cable lug to the
RTN
(return) terminal.
b.
Attach the negative (–) DC source power cable lug to the
–48V
(input) terminal.
159
Copyright © 2017, Juniper Networks, Inc.
Chapter 19: Installing Additional Components
Summary of Contents for SRX5400
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